A small anchor, with four or five flukes or claws, used to hold boats or small vessels; hence, any instrument designed to grapple or hold; a grappling iron; a grab; -- written also grapline, and crapnel.
A device used for snagging and bringing up objects from the bottom. It has a cluster of curved hooks at the end of a shank on one end and a ring for attaching a line at the other.
An iron bar with claws at one end which are used to grasp or hold things by throwing up over the top of a wall where the hook catches and hold, securing the line to the top of the wall.